Finding the Fourth Proportional to 1,019.56, 1,529.34 and 250.06
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Solution
The fourth proportional to 1,019.56, 1,529.34 and 250.06 is: 375.09
Step by Step Solution
- Step 1: Write the proportion equation
1,019.56 : 1,529.34 = 250.06 : x - Step 2: Convert to fraction form
1,019.56/1,529.34 = 250.06/x - Step 3: Cross multiply
1,019.56x = 1,529.34 × 250.06 - Step 4: Simplify right side
1,019.56x = 382,426.76 - Step 5: Solve for x
x = 382,426.76/1,019.56 - Step 6: Final answer
x = 375.09
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.